Port Erin Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Port Erin.

Climate overview of Port Erin

The climate in Port Erin, Isle of Man, United Kingdom, sees a moderate range of temperatures across the year, from 17°C (63°F) in August down to 9°C (48°F) in February.

The city has a wet climate, receiving around 1070 mm (42 in) of rainfall per year. November is the wettest month.

Port Erin Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Port Erin - and find the best time to visit.

Monthly Temperature in Port Erin

In Port Erin, seasonal changes bring about a moderate variation in temperatures. On average, daytime temperatures range from a moderate 17°C (63°F) in August to a chilly 9°C (48°F) in February.

Nighttime temperatures range from 14°C (57°F) in August to 6°C (43°F) in February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Port Erin

Port Erin experiences significant rainfall throughout the year, averaging 1070 mm (42 in) of precipitation annually. The seasons in Port Erin bring significant changes in precipitation. The wettest month, November, receives high rainfall, with an average of 133 mm (5.2 in) of precipitation. This rainfall is distributed across 19 rainy days.

In contrast, the driest month, May, experiences much less rainfall, totaling 58 mm (2.3 in) over 15 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Port Erin Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Best Time to Visit Port Erin

The most favourable weather available in Port Erin usually occurs in June, July, August and September. Conditions are generally most challenging in January, February, March, November and December.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: June, July, August and September
  • Warmest weather: July, August and September

Frequently asked questions about the climate in Port Erin

What is the best time to visit Port Erin?

June, July, August and September typically offer the most optimal weather in Port Erin. In contrast, January, February, March, November and December tend to have less optimal conditions.

What temperatures can I expect in Port Erin?

Daytime highs range from 9°C (48°F) in February to 17°C (63°F) in August. Nighttime lows range from 6°C (43°F) to 14°C (57°F).

How much rain does Port Erin get?

Annual rainfall is around 1070 mm (42 in). November is the wettest month with 133 mm (5.2 in), while May is the driest with 58 mm (2.3 in).

Port Erin 3-Day Forecast

Port Erin 3-Day Forecast

Port Erin on the map

Port Erin is highlighted - select any city to see its climate.

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